/Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsModule/Public/SmartObjectPersistentCollection.h
Adds contents of InComponents to the stored SmartObjectContainer. Note that function does not clear out the existing contents of SmartObjectContainer. Call ClearCollection or RebuildCollection if that is required.
void AppendToCollection ( const TConstArrayView< [USmartObjectComponent](API\Plugins\SmartObjectsModule\USmartObjectComponent) * > InComponents )